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sidechain stopped importing parentchain blocks but continued producing sidechain blocks #1674

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brenzi opened this issue Jan 17, 2025 · 0 comments

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@brenzi
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brenzi commented Jan 17, 2025

2025-01-17 12:00:02.215	
[2025-01-17T11:00:02.215Z WARN  substrate_api_client::rpc::tungstenite_client::client] Connection attempt failed due to Io(Custom { kind: Uncategorized, error: "failed to lookup address information: Name or service not known" })
...
2025-01-17 12:00:32.279	
[2025-01-17T11:00:32.278Z ERROR integritee_service::ocall_bridge::ffi::worker_request] Worker request failed: NodeApiFactory(FailedToCreateNodeApi(RpcClient(MaxConnectionAttemptsExceeded)))
2025-01-17 12:00:32.279	
[2025-01-17T11:00:32.278Z ERROR integritee_service::sidechain_setup] Sgx(SGX_ERROR_UNEXPECTED)
2025-01-17 12:00:41.875	
[2025-01-17T11:00:41.874Z ERROR integritee_service::main_impl] [TargetB] parentchain block syncing terminated with a failure: ApiClient(RpcClient(MaxConnectionAttemptsExceeded))

remedy:

  • restart the validateer
  • verified that shielding events during stall will be caught up upon restart (no loss of funds due to this issue) logs
  • added AlertManager rule to watch parentchain block imports

observations:

  • it seems that prometheus wasn't reachable from the outside prior to this event. metrics are missing

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